diff --git a/docs/en/base/btc_base.md b/docs/en/base/btc_base.md
index 912a4947..d8e238cb 100644
--- a/docs/en/base/btc_base.md
+++ b/docs/en/base/btc_base.md
@@ -1,6 +1,6 @@
 # Base BTC
 
-<el-tag effect="plain">SKU:A011</el-tag>
+<el-tag effect="plain">SKU:A011-B</el-tag>
 
 <div class="product_pic"><img src="assets/img/product_pics/module/module_btc_01.webp"><img src="assets/img/product_pics/module/module_btc_02.webp"></div>
 
@@ -72,7 +72,9 @@
 
 ### Arduino IDE
 
-- To get the code `BTC.ino`, please click [here](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Base/BTC/Arduino/BTC2.1)
+[BTC2.1 & SHT30 Example](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Base/BTC/Arduino/BTC2.1)
+
+[BTC & DHT12 Example](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Base/BTC/Arduino/BTC)
 
 ## Version Change
 
diff --git a/docs/index.md b/docs/index.md
index a1449240..9bb395be 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -89,7 +89,7 @@
       //Base
       {a:"/#/en/base/lan_base", img:"https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_homepage/base/base_lan_01.webp", p:"LAN", sku:"K012" ,kw:"W5500 INTERNET RS485"},
       {a:"/#/en/base/node_base", img:"https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_homepage/base/base_node_01.webp", p:"NODE", sku:"M017" ,kw:"AUDIO IR DHT12 MICPHONE WM8978"},
-      {a:"/#/en/base/btc_base", img:"https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_homepage/base/base_btc_01.webp", p:"BTC", sku:"A011" ,kw:"DHT12"},
+      {a:"/#/en/base/btc_base", img:"https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_homepage/base/base_btc_01.webp", p:"BTC", sku:"A011-B" ,kw:"DHT12"},
       {a:"/#/en/base/plc_base", img:"https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_homepage/base/plc_m12_01.webp", p:"PLC-M12", sku:"K011-B" ,kw:"RS485"},
       {a:"/#/en/base/core_bottom", img:"https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_homepage/base/base_core_bottom_01.webp", p:"Core BOTTOM", sku:"C001-C" ,kw:"BATTERY PIN"},
       {a:"#/en/base/m5go_bottom", img:"https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_homepage/base/base_m5go_base.webp", p:"M5GO BOTTOM", sku:"A014" ,kw:"BATTERY LEGO"},
diff --git a/docs/zh_CN/README.md b/docs/zh_CN/README.md
index 7cc3a8f7..7383d451 100644
--- a/docs/zh_CN/README.md
+++ b/docs/zh_CN/README.md
@@ -90,7 +90,7 @@
       //Base
       {a:"/#/zh_CN/base/lan_base", img:"https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_homepage/base/base_lan_01.webp", p:"LAN", sku:"K012" ,kw:"W5500 INTERNET RS485"},
       {a:"/#/zh_CN/base/node_base", img:"https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_homepage/base/base_node_01.webp", p:"NODE", sku:"M017" ,kw:"AUDIO IR DHT12 MICPHONE WM8978"},
-      {a:"/#/zh_CN/base/btc_base", img:"https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_homepage/base/base_btc_01.webp", p:"BTC", sku:"A011" ,kw:"DHT12"},
+      {a:"/#/zh_CN/base/btc_base", img:"https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_homepage/base/base_btc_01.webp", p:"BTC", sku:"A011-B" ,kw:"DHT12"},
       {a:"/#/zh_CN/base/plc_base", img:"https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_homepage/base/plc_m12_01.webp", p:"PLC-M12", sku:"K011-B" ,kw:"RS485"},
       {a:"/#/zh_CN/base/core_bottom", img:"https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_homepage/base/base_core_bottom_01.webp", p:"Core BOTTOM", sku:"C001-C" ,kw:"BATTERY PIN"},
       {a:"#/zh_CN/base/m5go_bottom", img:"https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/m5-docs_homepage/base/base_m5go_base.webp", p:"M5GO BOTTOM", sku:"A014" ,kw:"BATTERY LEGO"},
diff --git a/docs/zh_CN/base/btc_base.md b/docs/zh_CN/base/btc_base.md
index f0b07c67..4fc97247 100644
--- a/docs/zh_CN/base/btc_base.md
+++ b/docs/zh_CN/base/btc_base.md
@@ -1,6 +1,6 @@
 # Base BTC
 
-<el-tag effect="plain">SKU:A011</el-tag>
+<el-tag effect="plain">SKU:A011-B</el-tag>
 
 <div class="product_pic"><img src="assets/img/product_pics/module/module_btc_01.webp"><img src="assets/img/product_pics/module/module_btc_02.webp"></div>
 
@@ -71,7 +71,10 @@
 
 ### Arduino IDE
 
-[请点击此处](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Base/BTC/Arduino/BTC2.1)获取完整代码
+[BTC2.1 & SHT30 Example](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Base/BTC/Arduino/BTC2.1)
+
+[BTC & DHT12 Example](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Base/BTC/Arduino/BTC)
+
 
 
 ## 版本变更